openwrt/package/wificonf/wificonf.c

   1 /*
   2  * Wireless Network Adapter configuration utility
   3  *
   4  * Copyright (C) 2005 Felix Fietkau <nbd@openwrt.org>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  */
  16
  17 #include <stdio.h>
  18 #include <unistd.h>
  19 #include <iwlib.h>
  20 #include <bcmnvram.h>
  21 #include <shutils.h>
  22 #include <wlioctl.h>
  23 #include <signal.h>
  24
  25 #define ADD_VIF_RETRIES 5
  26 // #define DEBUG
  27
  28 /*------------------------------------------------------------------*/
  29 /*
  30  * Macro to handle errors when setting WE
  31  * Print a nice error message and exit...
  32  * We define them as macro so that "return" do the right thing.
  33  * The "do {...} while(0)" is a standard trick
  34  */
  35 #define ERR_SET_EXT(rname, request) \
  36         fprintf(stderr, "Error for wireless request \"%s\" (%X) :\n", \
  37                 rname, request)
  38
  39 #define ABORT_ARG_NUM(rname, request) \
  40         do { \
  41                 ERR_SET_EXT(rname, request); \
  42                 fprintf(stderr, "    too few arguments.\n"); \
  43         } while(0)
  44
  45 #define ABORT_ARG_TYPE(rname, request, arg) \
  46         do { \
  47                 ERR_SET_EXT(rname, request); \
  48                 fprintf(stderr, "    invalid argument \"%s\".\n", arg); \
  49         } while(0)
  50
  51 #define ABORT_ARG_SIZE(rname, request, max) \
  52         do { \
  53                 ERR_SET_EXT(rname, request); \
  54                 fprintf(stderr, "    argument too big (max %d)\n", max); \
  55         } while(0)
  56
  57 /*------------------------------------------------------------------*/
  58 /*
  59  * Wrapper to push some Wireless Parameter in the driver
  60  * Use standard wrapper and add pretty error message if fail...
  61  */
  62 #define IW_SET_EXT_ERR(skfd, ifname, request, wrq, rname) \
  63         do { \
  64         if(iw_set_ext(skfd, ifname, request, wrq) < 0) { \
  65                 ERR_SET_EXT(rname, request); \
  66                 fprintf(stderr, "    SET failed on device %-1.16s ; %s.\n", \
  67                         ifname, strerror(errno)); \
  68         } } while(0)
  69
  70 /*------------------------------------------------------------------*/
  71 /*
  72  * Wrapper to extract some Wireless Parameter out of the driver
  73  * Use standard wrapper and add pretty error message if fail...
  74  */
  75 #define IW_GET_EXT_ERR(skfd, ifname, request, wrq, rname) \
  76         do { \
  77         if(iw_get_ext(skfd, ifname, request, wrq) < 0) { \
  78                 ERR_SET_EXT(rname, request); \
  79                 fprintf(stderr, "    GET failed on device %-1.16s ; %s.\n", \
  80                         ifname, strerror(errno)); \
  81         } } while(0)
  82
  83 static void set_wext_ssid(int skfd, char *ifname);
  84
  85 static char *prefix;
  86 static char buffer[128];
  87 static int wpa_enc = 0;
  88
  89 static char *wl_var(char *name)
  90 {
  91         sprintf(buffer, "%s_%s", prefix, name);
  92         return buffer;
  93 }
  94
  95 static char *vif_var(int vif, char *name)
  96 {
  97         if (vif == 0)
  98                 return wl_var(name);
  99
 100         sprintf(buffer, "%s.%d_%s", prefix, vif, name);
 101         return buffer;
 102 }
 103
 104 static int nvram_enabled(char *name)
 105 {
 106         return (nvram_match(name, "1") || nvram_match(name, "on") || nvram_match(name, "enabled") || nvram_match(name, "true") || nvram_match(name, "yes") ? 1 : 0);
 107 }
 108
 109 static int nvram_disabled(char *name)
 110 {
 111         return (nvram_match(name, "0") || nvram_match(name, "off") || nvram_match(name, "disabled") || nvram_match(name, "false") || nvram_match(name, "no") ? 1 : 0);
 112 }
 113
 114
 115 static int bcom_ioctl(int skfd, char *ifname, int cmd, void *buf, int len)
 116 {
 117         struct ifreq ifr;
 118         wl_ioctl_t ioc;
 119         int ret;
 120
 121         ioc.cmd = cmd;
 122         ioc.buf = buf;
 123         ioc.len = len;
 124
 125         ifr.ifr_data = (caddr_t) &ioc;
 126         strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
 127
 128         ret = ioctl(skfd, SIOCDEVPRIVATE, &ifr);
 129
 130 #ifdef DEBUG
 131         if (ret < 0)
 132                 fprintf(stderr, "IOCTL %d failed: %d\n", cmd, ret);
 133 #endif
 134
 135         return ret;
 136 }
 137
 138 static int bcom_set_var(int skfd, char *ifname, char *var, void *val, int len)
 139 {
 140         char buf[8192];
 141         int ret;
 142
 143         if (strlen(var) + 1 > sizeof(buf) || len > sizeof(buf))
 144                 return -1;
 145
 146         bzero(buf, sizeof(buf));
 147         strcpy(buf, var);
 148         memcpy(&buf[strlen(var) + 1], val, len);
 149
 150         ret = bcom_ioctl(skfd, ifname, WLC_SET_VAR, buf, sizeof(buf));
 151
 152 #ifdef DEBUG
 153         if (ret < 0)
 154                 fprintf(stderr, "SET_VAR %s failed: %d\n", var, ret);
 155 #endif
 156
 157         return ret;
 158 }
 159
 160 static int bcom_get_var(int skfd, char *ifname, char *var, void *buf, int len)
 161 {
 162         int ret;
 163
 164         if (strlen(var) + 1 > sizeof(buf) || len > sizeof(buf))
 165                 return -1;
 166
 167         bzero(buf, sizeof(buf));
 168         strcpy(buf, var);
 169
 170         ret = bcom_ioctl(skfd, ifname, WLC_GET_VAR, buf, sizeof(buf));
 171
 172 #ifdef DEBUG
 173         if (ret < 0)
 174                 fprintf(stderr, "GET_VAR %s failed: %d\n", var, ret);
 175 #endif
 176
 177         return ret;
 178 }
 179
 180 static int bcom_set_bss_var(int skfd, char *ifname, int bss, char *var, void *val, int len)
 181 {
 182         char buf[8192];
 183         int i = 0, ret;
 184
 185         bzero(buf, sizeof(buf));
 186         if (strlen(var) + len + 8 > sizeof(buf) || len > sizeof(buf))
 187                 return -1;
 188
 189         // "bsscfg:<name>\x00" <bss> <data>
 190         i = sprintf(buf, "bsscfg:%s", var);
 191         buf[i++] = 0;
 192
 193         memcpy(buf + i, &bss, sizeof(bss));
 194         i += sizeof(bss);
 195
 196         memcpy(buf + i, val, len);
 197         i += len;
 198
 199         ret = bcom_ioctl(skfd, ifname, WLC_SET_VAR, buf, i);
 200
 201 #ifdef DEBUG
 202         if (ret < 0)
 203                 fprintf(stderr, "SET_BSS_VAR %s failed: %d\n", var, ret);
 204 #endif
 205
 206         return ret;
 207 }
 208
 209 static int bcom_set_int(int skfd, char *ifname, char *var, int val)
 210 {
 211         return bcom_set_var(skfd, ifname, var, &val, sizeof(val));
 212 }
 213
 214 static int bcom_set_bss_int(int skfd, char *ifname, int bss, char *var, int val)
 215 {
 216         return bcom_set_bss_var(skfd, ifname, bss, var, &val, sizeof(val));
 217 }
 218
 219 static int is_new_bcom(int skfd, char *ifname)
 220 {
 221         char buf[8192];
 222
 223         bzero(buf, 8192);
 224         bcom_ioctl(skfd, ifname, WLC_DUMP, buf, 8192);
 225
 226         if (strstr(buf, "3.130"))
 227                 return 1;
 228
 229         return 0;
 230 }
 231
 232 static int bcom_get_wsec(int vif)
 233 {
 234         int val;
 235
 236         if (nvram_match(vif_var(vif, "crypto"), "tkip"))
 237                 val = TKIP_ENABLED;
 238         else if (nvram_match(vif_var(vif, "crypto"), "aes"))
 239                 val = AES_ENABLED;
 240         else if (nvram_match(vif_var(vif, "crypto"), "tkip+aes") || nvram_match(vif_var(vif, "crypto"), "aes+tkip"))
 241                 val = TKIP_ENABLED | AES_ENABLED;
 242         else
 243                 val = 0;
 244
 245         return val;
 246 }
 247
 248 static int bcom_get_wauth(int vif)
 249 {
 250         char *v, *next, var[80];
 251         int res = 0;
 252
 253         if (!(v = nvram_get(vif_var(vif, "akm"))))
 254                 v = nvram_safe_get(vif_var(vif, "auth_mode"));
 255
 256         foreach(var, v, next) {
 257                 if (strcmp(var, "psk") == 0)
 258                         res |= WPA_AUTH_PSK;
 259                 else if (strcmp(var, "psk2") == 0)
 260                         res |= WPA2_AUTH_PSK;
 261                 else if (strcmp(var, "wpa") == 0)
 262                         res |= WPA_AUTH_UNSPECIFIED;
 263                 else if (strcmp(var, "wpa2") == 0)
 264                         res |= WPA2_AUTH_UNSPECIFIED;
 265         }
 266
 267         return res;
 268 }
 269
 270 static void stop_bcom(int skfd, char *ifname)
 271 {
 272         int val = 0;
 273         wlc_ssid_t ssid;
 274
 275         if (bcom_ioctl(skfd, ifname, WLC_GET_MAGIC, &val, sizeof(val)) < 0)
 276                 return;
 277
 278         ssid.SSID_len = 0;
 279         ssid.SSID[0] = 0;
 280         bcom_ioctl(skfd, ifname, WLC_SET_SSID, &ssid, sizeof(ssid));
 281         bcom_ioctl(skfd, ifname, WLC_DOWN, NULL, 0);
 282
 283 }
 284
 285 static void start_bcom(int skfd, char *ifname)
 286 {
 287         int val = 0;
 288
 289         if (bcom_ioctl(skfd, ifname, WLC_GET_MAGIC, &val, sizeof(val)) < 0)
 290                 return;
 291
 292         bcom_ioctl(skfd, ifname, WLC_UP, &val, sizeof(val));
 293 }
 294
 295 static int setup_bcom_wds(int skfd, char *ifname)
 296 {
 297         char buf[8192];
 298         char wbuf[80];
 299         char *v;
 300         int wds_enabled = 0;
 301
 302         if (v = nvram_get(wl_var("wds"))) {
 303                 struct maclist *wdslist = (struct maclist *) buf;
 304                 struct ether_addr *addr = wdslist->ea;
 305                 char *next;
 306
 307                 memset(buf, 0, 8192);
 308                 foreach(wbuf, v, next) {
 309                         if (ether_atoe(wbuf, addr->ether_addr_octet)) {
 310                                 wdslist->count++;
 311                                 addr++;
 312                                 wds_enabled = 1;
 313                         }
 314                 }
 315                 bcom_ioctl(skfd, ifname, WLC_SET_WDSLIST, buf, sizeof(buf));
 316         }
 317         return wds_enabled;
 318 }
 319
 320 static void set_wext_mode(skfd, ifname)
 321 {
 322         struct iwreq wrq;
 323         int ap = 0, infra = 0, wet = 0;
 324
 325         /* Set operation mode */
 326         ap = !nvram_match(wl_var("mode"), "sta") && !nvram_match(wl_var("mode"), "wet");
 327         infra = !nvram_disabled(wl_var("infra"));
 328         wet = !ap && nvram_match(wl_var("mode"), "wet");
 329
 330         wrq.u.mode = (!infra ? IW_MODE_ADHOC : (ap ? IW_MODE_MASTER : (wet ? IW_MODE_REPEAT : IW_MODE_INFRA)));
 331         IW_SET_EXT_ERR(skfd, ifname, SIOCSIWMODE, &wrq, "Set Mode");
 332 }
 333
 334
 335 void start_watchdog(int skfd, char *ifname)
 336 {
 337         FILE *f;
 338         char *v, *next;
 339         unsigned char buf[8192], buf2[8192], wbuf[80], *p, *tmp;
 340         int wds = 0, i, restart_wds;
 341
 342         if (fork())
 343                 return;
 344
 345         system("kill $(cat /var/run/wifi.pid) 2>&- >&-");
 346         f = fopen("/var/run/wifi.pid", "w");
 347         fprintf(f, "%d\n", getpid());
 348         fclose(f);
 349
 350         v = nvram_safe_get(wl_var("wds"));
 351         memset(buf2, 0, 8192);
 352         p = buf2;
 353         foreach(wbuf, v, next) {
 354                 if (ether_atoe(wbuf, p)) {
 355                         p += 6;
 356                         wds++;
 357                 }
 358         }
 359         v = nvram_safe_get(wl_var("ssid"));
 360
 361         for (;;) {
 362                 sleep(5);
 363                 if (bcom_ioctl(skfd, ifname, WLC_GET_BSSID, buf, 6) < 0)
 364                         bcom_ioctl(skfd, ifname, WLC_SET_SSID, v, strlen(v));
 365                 p = buf2;
 366                 restart_wds = 0;
 367                 for (i = 0; i < wds; i++) {
 368                         memset(buf, 0, 8192);
 369                         strcpy(buf, "sta_info");
 370                         memcpy(buf + strlen(buf) + 1, p, 6);
 371                         if (bcom_ioctl(skfd, ifname, WLC_GET_VAR, buf, 8192) < 0) {
 372                         } else {
 373                                 sta_info_t *sta = (sta_info_t *) (buf + 4);
 374                                 if (!(sta->flags & 0x40)) {
 375                                 } else {
 376                                         if (sta->idle > 120)
 377                                                 restart_wds = 1;
 378                                 }
 379                         }
 380                         p += 6;
 381                 }
 382                 if (restart_wds)
 383                         setup_bcom_wds(skfd, ifname);
 384         }
 385 }
 386
 387 static void setup_bcom_vif_sec(int skfd, char *ifname, int vif)
 388 {
 389         int val, wep, wsec, i;
 390         char *v;
 391
 392         wsec = bcom_get_wsec(vif);
 393         if (wsec)
 394                 val = bcom_get_wauth(vif);
 395         else
 396                 val = 0;
 397
 398         bcom_set_bss_int(skfd, ifname, vif, "wpa_auth", val);
 399
 400         if (val) {
 401                 if (WPA_AUTH_PSK | WPA2_AUTH_PSK) {
 402                         v = nvram_safe_get(wl_var("wpa_psk"));
 403                         if ((strlen(v) >= 8) && (strlen(v) < 63) && nvram_match(wl_var("mode"), "wet") && (vif == 0)) {
 404                                 /* Enable in-driver WPA supplicant */
 405                                 wsec_pmk_t pmk;
 406
 407                                 pmk.key_len = (unsigned short) strlen(v);
 408                                 pmk.flags = WSEC_PASSPHRASE;
 409                                 strcpy(pmk.key, v);
 410                                 bcom_ioctl(skfd, ifname, WLC_SET_WSEC_PMK, &pmk, sizeof(pmk));
 411                                 bcom_set_int(skfd, ifname, "sup_wpa", 1);
 412                         } else {
 413                                 bcom_set_int(skfd, ifname, "sup_wpa", 0);
 414                         }
 415                 }
 416                 bcom_set_bss_int(skfd, ifname, vif, "eap_restrict", 1);
 417                 bcom_set_bss_int(skfd, ifname, vif, "wsec", wsec);
 418                 bcom_set_bss_int(skfd, ifname, vif, "wsec_restrict", 1);
 419         } else {
 420                 bcom_set_bss_int(skfd, ifname, vif, "eap_restrict", 0);
 421                 if (wep = nvram_enabled(vif_var(vif, "wep"))) {
 422                         wep = atoi(nvram_safe_get(vif_var(vif, "key")));
 423                         if ((wep >= 1) && (wep <= 4)) {
 424                                 for (i = 1; i < 4; i++) {
 425                                         wl_wsec_key_t k;
 426                                         char name[5] = "key0";
 427                                         unsigned char *kdata = k.data;
 428                                         unsigned char *kstr;
 429
 430                                         bzero(&k, sizeof(k));
 431                                         name[3] += i;
 432                                         kstr = nvram_safe_get(vif_var(vif, name));
 433                                         k.len = strlen(kstr);
 434                                         if ((k.len == 10) || (k.len == 26)) {
 435                                                 k.index = i - 1;
 436 #ifdef DEBUG
 437                                                 fprintf(stderr, "Adding WEP key %d to VIF %d: ", i, vif);
 438 #endif
 439                                                 k.len = 0;
 440                                                 while (*kstr != 0) {
 441                                                         strncpy(name, kstr, 2);
 442                                                         name[2] = 0;
 443                                                         *kdata = (unsigned char) strtoul(name, NULL, 16);
 444 #ifdef DEBUG
 445                                                         fprintf(stderr, "%02x", *kdata);
 446 #endif
 447                                                         kstr += 2;
 448                                                         kdata++;
 449                                                         k.len++;
 450                                                 }
 451 #ifdef DEBUG
 452                                                 fprintf(stderr, "\n");
 453 #endif
 454                                         } else {
 455                                                 k.len = 0;
 456                                         }
 457                                         if ((k.len > 0) && (i == wep))
 458                                                 k.flags = WL_PRIMARY_KEY;
 459
 460                                         bcom_set_bss_var(skfd, ifname, vif, "wsec_key", &k, sizeof(k));
 461                                 }
 462                                 wep = 1;
 463                                 bcom_set_bss_int(skfd, ifname, vif, "wsec", WEP_ENABLED);
 464                                 bcom_set_bss_int(skfd, ifname, vif, "wsec_restrict", 1);
 465                                 bcom_set_bss_int(skfd, ifname, vif, "auth", 1);
 466                         } else {
 467                                 wep = 0;
 468                         }
 469                 }
 470         }
 471
 472         if (!wep && !val) {
 473                 bcom_set_bss_int(skfd, ifname, vif, "wsec", 0);
 474                 bcom_set_bss_int(skfd, ifname, vif, "wsec_restrict", 0);
 475         }
 476
 477 //      bcom_set_bss_int(skfd, ifname, vif, "auth", atoi(nvram_safe_get(vif_var(vif, "auth"))));
 478 }
 479
 480 static void setup_bcom_vif(int skfd, char *ifname, int vif)
 481 {
 482         int val, wep, wsec, i;
 483         char *s, *v;
 484         wlc_ssid_t ssid;
 485
 486         s = nvram_safe_get(vif_var(vif, "ssid"));
 487         strncpy(ssid.SSID, s, sizeof(ssid.SSID));
 488         ssid.SSID_len = strlen(ssid.SSID);
 489         ssid.SSID_len = ((ssid.SSID_len > sizeof(ssid.SSID)) ? sizeof(ssid.SSID) : ssid.SSID_len);
 490         bcom_set_bss_var(skfd, ifname, vif, "ssid", &ssid, sizeof(ssid));
 491
 492         val = nvram_enabled(vif_var(vif, "closed"));
 493         bcom_set_bss_int(skfd, ifname, vif, "closednet", val);
 494
 495         val = nvram_enabled(wl_var("ap_isolate"));
 496         bcom_set_bss_int(skfd, ifname, vif, "ap_isolate", val);
 497
 498 }
 499
 500 static void start_bcom_vif(int skfd, char *ifname, int vif)
 501 {
 502         int cfg[2];
 503         int i;
 504
 505         cfg[0] = vif;
 506         cfg[1] = 1;
 507         for (i = 0; i < ADD_VIF_RETRIES; i++) {
 508                 if (bcom_set_var(skfd, ifname, "bss" , cfg, sizeof(cfg)) == 0)
 509                         break;
 510                 usleep(1000 * 1000);
 511         }
 512 }
 513
 514 static void setup_bcom_common(int skfd, char *ifname)
 515 {
 516         int val = 0, ap;
 517         char buf[8192], wbuf[80], *v;
 518
 519         nvram_set(wl_var("ifname"), ifname);
 520
 521         /* Set Country */
 522         strncpy(buf, nvram_safe_get(wl_var("country_code")), 4);
 523         buf[3] = 0;
 524         bcom_ioctl(skfd, ifname, WLC_SET_COUNTRY, buf, 4);
 525
 526         /* Set other options */
 527         val = nvram_enabled(wl_var("lazywds"));
 528         bcom_ioctl(skfd, ifname, WLC_SET_LAZYWDS, &val, sizeof(val));
 529
 530         if (v = nvram_get(wl_var("dtim"))) {
 531                 val = atoi(v);
 532                 bcom_ioctl(skfd, ifname, WLC_SET_DTIMPRD, &val, sizeof(val));
 533         }
 534         if (v = nvram_get(wl_var("bcn"))) {
 535                 val = atoi(v);
 536                 bcom_ioctl(skfd, ifname, WLC_SET_BCNPRD, &val, sizeof(val));
 537         }
 538         if (v = nvram_get(wl_var("antdiv"))) {
 539                 val = atoi(v);
 540                 bcom_ioctl(skfd, ifname, WLC_SET_ANTDIV, &val, sizeof(val));
 541         }
 542         if (v = nvram_get(wl_var("txant"))) {
 543                 val = atoi(v);
 544                 bcom_ioctl(skfd, ifname, WLC_SET_TXANT, &val, sizeof(val));
 545         }
 546         if (v = nvram_get(wl_var("maxassoc"))) {
 547                 val = atoi(v);
 548                 bcom_set_int(skfd, ifname, "maxassoc", val);
 549         }
 550
 551         val = nvram_enabled(wl_var("frameburst"));
 552         bcom_ioctl(skfd, ifname, WLC_SET_FAKEFRAG, &val, sizeof(val));
 553
 554         ap = !nvram_match(wl_var("mode"), "sta") && !nvram_match(wl_var("mode"), "wet");
 555
 556         if (ap)
 557                 val = setup_bcom_wds(skfd, ifname);
 558
 559         if ((!ap || val) && is_new_bcom(skfd, ifname))
 560                 start_watchdog(skfd, ifname);
 561
 562         /* Set up afterburner, disabled it if WDS is enabled */
 563         if (val || nvram_enabled(wl_var("lazywds"))) {
 564                 val = ABO_OFF;
 565         } else {
 566                 val = ABO_AUTO;
 567                 if (nvram_enabled(wl_var("afterburner")))
 568                         val = ABO_ON;
 569                 if (nvram_disabled(wl_var("afterburner")))
 570                         val = ABO_OFF;
 571         }
 572
 573         bcom_set_var(skfd, ifname, "afterburner_override", &val, sizeof(val));
 574
 575         /* Set up MAC list */
 576         if (nvram_match(wl_var("macmode"), "allow"))
 577                 val = WLC_MACMODE_ALLOW;
 578         else if (nvram_match(wl_var("macmode"), "deny"))
 579                 val = WLC_MACMODE_DENY;
 580         else
 581                 val = WLC_MACMODE_DISABLED;
 582
 583         if ((val != WLC_MACMODE_DISABLED) && (v = nvram_get(wl_var("maclist")))) {
 584                 struct maclist *mac_list;
 585                 struct ether_addr *addr;
 586                 char *next;
 587
 588                 memset(buf, 0, 8192);
 589                 mac_list = (struct maclist *) buf;
 590                 addr = mac_list->ea;
 591
 592                 foreach(wbuf, v, next) {
 593                         if (ether_atoe(wbuf, addr->ether_addr_octet)) {
 594                                 mac_list->count++;
 595                                 addr++;
 596                         }
 597                 }
 598                 bcom_ioctl(skfd, ifname, WLC_SET_MACLIST, buf, sizeof(buf));
 599         } else {
 600                 val = WLC_MACMODE_DISABLED;
 601         }
 602         bcom_ioctl(skfd, ifname, WLC_SET_MACMODE, &val, sizeof(val));
 603
 604         /* Set up G mode */
 605         bcom_ioctl(skfd, ifname, WLC_GET_PHYTYPE, &val, sizeof(val));
 606         if (val == 2) {
 607                 int override = WLC_G_PROTECTION_OFF;
 608                 int control = WLC_G_PROTECTION_CTL_OFF;
 609
 610                 if (v = nvram_get(wl_var("gmode")))
 611                         val = atoi(v);
 612                 else
 613                         val = 1;
 614
 615                 if (val > 5)
 616                         val = 1;
 617
 618                 bcom_ioctl(skfd, ifname, WLC_SET_GMODE, &val, sizeof(val));
 619
 620                 if (nvram_match(wl_var("gmode_protection"), "auto")) {
 621                         override = WLC_G_PROTECTION_AUTO;
 622                         control = WLC_G_PROTECTION_CTL_OVERLAP;
 623                 }
 624                 if (nvram_enabled(wl_var("gmode_protection"))) {
 625                         override = WLC_G_PROTECTION_ON;
 626                         control = WLC_G_PROTECTION_CTL_OVERLAP;
 627                 }
 628                 bcom_ioctl(skfd, ifname, WLC_SET_GMODE_PROTECTION_CONTROL, &override, sizeof(control));
 629                 bcom_ioctl(skfd, ifname, WLC_SET_GMODE_PROTECTION_OVERRIDE, &override, sizeof(override));
 630
 631                 if (val = 0) {
 632                         if (nvram_match(wl_var("plcphdr"), "long"))
 633                                 val = WLC_PLCP_AUTO;
 634                         else
 635                                 val = WLC_PLCP_SHORT;
 636
 637                         bcom_ioctl(skfd, ifname, WLC_SET_PLCPHDR, &val, sizeof(val));
 638                 }
 639         }
 640 }
 641
 642 static void setup_bcom_new(int skfd, char *ifname)
 643 {
 644         int val = 0, i;
 645         int iface[16], ifaces = 1;
 646         int ap, apsta, sta, wet;
 647         char *v;
 648
 649         if (bcom_ioctl(skfd, ifname, WLC_GET_MAGIC, &val, sizeof(val)) < 0)
 650                 return;
 651
 652         /* Clear all VIFs */
 653         iface[0] = 0;
 654         for (i = 0; i < 16; i++) {
 655                 int cfg[2]; /* index, enabled */
 656
 657                 cfg[0] = i;
 658                 cfg[1] = 0;
 659
 660                 bcom_set_var(skfd, ifname, "bss", cfg, sizeof(cfg));
 661
 662                 if ((i > 0) && nvram_enabled(vif_var(i, "enabled")) && (i == 0 || nvram_get(vif_var(i, "ssid")))) {
 663                         iface[ifaces] = i;
 664                         ifaces++;
 665                 }
 666         }
 667
 668         set_wext_mode(skfd, ifname);
 669
 670         ap = nvram_match(wl_var("mode"), "ap") || nvram_match(wl_var("mode"), "apsta");
 671         apsta = nvram_match(wl_var("mode"), "apsta");
 672         sta = nvram_match(wl_var("mode"), "sta");
 673
 674         bcom_set_int(skfd, ifname, "apsta", apsta);
 675         bcom_set_int(skfd, ifname, "mssid", (ifaces > 1));
 676
 677         for (i = 0; i < (sta ? 0 : ifaces); i++) {
 678 #ifdef DEBUG
 679                 fprintf(stderr, "setup_bcom_vif(%d) start\n", iface[i]);
 680 #endif
 681                 setup_bcom_vif(skfd, ifname, iface[i]);
 682 #ifdef DEBUG
 683                 fprintf(stderr, "setup_bcom_vif(%d) end\n", iface[i]);
 684 #endif
 685         }
 686
 687
 688         if (v = nvram_get(wl_var("rts"))) {
 689                 val = atoi(v);
 690                 bcom_set_int(skfd, ifname, "rtsthresh", val);
 691         }
 692         if (v = nvram_get(wl_var("frag"))) {
 693                 val = atoi(v);
 694                 bcom_set_int(skfd, ifname, "fragthresh", val);
 695         }
 696
 697         val = (nvram_disabled(wl_var("radio")) ? (1 | (1 << 16)) : 0);
 698         bcom_ioctl(skfd, ifname, WLC_SET_RADIO, &val, sizeof(val));
 699
 700         setup_bcom_common(skfd, ifname);
 701         start_bcom(skfd, ifname);
 702
 703         val = atoi(nvram_safe_get(wl_var("channel")));
 704         if (val > 0)
 705                 bcom_ioctl(skfd, ifname, WLC_SET_CHANNEL, &val, sizeof(val));
 706
 707         val = (ap ? 15 : 0);
 708         bcom_ioctl(skfd, ifname, WLC_SET_CS_SCAN_TIMER, &val, sizeof(val));
 709
 710         for (i = 0; i < (sta ? 0 : ifaces); i++) {
 711                 setup_bcom_vif_sec(skfd, ifname, iface[i]);
 712         }
 713
 714         for (i = 0; i < (sta ? 0 : ifaces); i++) {
 715                 start_bcom_vif(skfd, ifname, iface[i]);
 716         }
 717 }
 718
 719 static void setup_bcom_old(int skfd, char *ifname)
 720 {
 721         int val = 0, i;
 722         char buf[8192];
 723         char wbuf[80];
 724         char *v;
 725
 726         if (bcom_ioctl(skfd, ifname, WLC_GET_MAGIC, &val, sizeof(val)) < 0)
 727                 return;
 728
 729         setup_bcom_common(skfd, ifname);
 730
 731         if (v = nvram_get(wl_var("frag"))) {
 732                 val = atoi(v);
 733                 bcom_ioctl(skfd, ifname, WLC_SET_FRAG, &val, sizeof(val));
 734         }
 735         if (v = nvram_get(wl_var("rts"))) {
 736                 val = atoi(v);
 737                 bcom_ioctl(skfd, ifname, WLC_SET_RTS, &val, sizeof(val));
 738         }
 739
 740         val = nvram_enabled(wl_var("closed"));
 741         bcom_ioctl(skfd, ifname, WLC_SET_CLOSED, &val, sizeof(val));
 742
 743         val = nvram_enabled(wl_var("ap_isolate"));
 744         bcom_set_int(skfd, ifname, "ap_isolate", val);
 745
 746         start_bcom(skfd, ifname);
 747         set_wext_ssid(skfd, ifname);
 748
 749         val = bcom_get_wauth(0);
 750         bcom_ioctl(skfd, ifname, WLC_SET_WPA_AUTH, &val, sizeof(val));
 751
 752         if (val & (WPA_AUTH_PSK | WPA2_AUTH_PSK)) {
 753                 v = nvram_safe_get(wl_var("wpa_psk"));
 754                 if ((strlen(v) >= 8) && (strlen(v) < 63) && nvram_match(wl_var("mode"), "wet")) {
 755                         /* Enable in-driver WPA supplicant */
 756                         wsec_pmk_t pmk;
 757
 758                         pmk.key_len = (unsigned short) strlen(v);
 759                         pmk.flags = WSEC_PASSPHRASE;
 760                         strcpy(pmk.key, v);
 761                         bcom_ioctl(skfd, ifname, WLC_SET_WSEC_PMK, &pmk, sizeof(pmk));
 762                         bcom_set_int(skfd, ifname, "sup_wpa", 1);
 763                 }
 764         }
 765         if (val) {
 766                 val = 1;
 767                 bcom_ioctl(skfd, ifname, WLC_SET_EAP_RESTRICT, &val, sizeof(val));
 768                 val = bcom_get_wsec(0);
 769                 bcom_ioctl(skfd, ifname, WLC_SET_WSEC, &val, sizeof(val));
 770         } else {
 771                 val = 0;
 772                 bcom_ioctl(skfd, ifname, WLC_SET_WSEC, &val, sizeof(val));
 773                 bcom_ioctl(skfd, ifname, WLC_SET_EAP_RESTRICT, &val, sizeof(val));
 774                 bcom_set_int(skfd, ifname, "sup_wpa", 0);
 775         }
 776 }
 777
 778 static void set_wext_ssid(int skfd, char *ifname)
 779 {
 780         char *buffer;
 781         char essid[IW_ESSID_MAX_SIZE + 1];
 782         struct iwreq wrq;
 783
 784         buffer = nvram_get(wl_var("ssid"));
 785
 786         if (!buffer || (strlen(buffer) > IW_ESSID_MAX_SIZE))
 787                 buffer = "OpenWrt";
 788
 789         wrq.u.essid.flags = 1;
 790         strcpy(essid, buffer);
 791         wrq.u.essid.pointer = (caddr_t) essid;
 792         wrq.u.essid.length = strlen(essid) + 1;
 793         IW_SET_EXT_ERR(skfd, ifname, SIOCSIWESSID, &wrq, "Set ESSID");
 794 }
 795
 796 static void setup_wext_wep(int skfd, char *ifname)
 797 {
 798         int i, keylen;
 799         struct iwreq wrq;
 800         char keystr[5];
 801         char *keyval;
 802         unsigned char key[IW_ENCODING_TOKEN_MAX];
 803
 804         memset(&wrq, 0, sizeof(wrq));
 805         strcpy(keystr, "key1");
 806         for (i = 1; i <= 4; i++) {
 807                 if (keyval = nvram_get(wl_var(keystr))) {
 808                         keylen = iw_in_key(keyval, key);
 809
 810                         if (keylen > 0) {
 811                                 wrq.u.data.length = keylen;
 812                                 wrq.u.data.pointer = (caddr_t) key;
 813                                 wrq.u.data.flags = i;
 814                                 IW_SET_EXT_ERR(skfd, ifname, SIOCSIWENCODE, &wrq, "Set Encode");
 815                         }
 816                 }
 817                 keystr[3]++;
 818         }
 819
 820         memset(&wrq, 0, sizeof(wrq));
 821         i = atoi(nvram_safe_get(wl_var("key")));
 822         if (i > 0 && i < 4) {
 823                 wrq.u.data.flags = i | IW_ENCODE_RESTRICTED;
 824                 IW_SET_EXT_ERR(skfd, ifname, SIOCSIWENCODE, &wrq, "Set Encode");
 825         }
 826 }
 827
 828 static void setup_wext(int skfd, char *ifname)
 829 {
 830         char *buffer;
 831         struct iwreq wrq;
 832
 833         /* Set channel */
 834         int channel = atoi(nvram_safe_get(wl_var("channel")));
 835
 836         wrq.u.freq.m = -1;
 837         wrq.u.freq.e = 0;
 838         wrq.u.freq.flags = 0;
 839
 840         if (channel > 0) {
 841                 wrq.u.freq.flags = IW_FREQ_FIXED;
 842                 wrq.u.freq.m = channel;
 843                 IW_SET_EXT_ERR(skfd, ifname, SIOCSIWFREQ, &wrq, "Set Frequency");
 844         }
 845
 846         /* Disable radio if wlX_radio is set and not enabled */
 847         wrq.u.txpower.disabled = nvram_disabled(wl_var("radio"));
 848
 849         wrq.u.txpower.value = -1;
 850         wrq.u.txpower.fixed = 1;
 851         wrq.u.txpower.flags = IW_TXPOW_DBM;
 852         IW_SET_EXT_ERR(skfd, ifname, SIOCSIWTXPOW, &wrq, "Set Tx Power");
 853
 854         /* Set up WEP */
 855         if (nvram_enabled(wl_var("wep")) && !wpa_enc)
 856                 setup_wext_wep(skfd, ifname);
 857
 858         /* Set ESSID */
 859         set_wext_ssid(skfd, ifname);
 860
 861 }
 862
 863 static int setup_interfaces(int skfd, char *ifname, char *args[], int count)
 864 {
 865         struct iwreq wrq;
 866         int rc;
 867
 868         /* Avoid "Unused parameter" warning */
 869         args = args; count = count;
 870
 871         if(iw_get_ext(skfd, ifname, SIOCGIWNAME, &wrq) < 0)
 872                 return 0;
 873
 874         if (strncmp(ifname, "ath", 3) == 0) {
 875                 set_wext_mode(skfd, ifname);
 876                 setup_wext(skfd, ifname);
 877         } else {
 878                 if (is_new_bcom(skfd, ifname)) {
 879 #ifdef DEBUG
 880                         fprintf(stderr, "New Broadcom driver detected.\n");
 881 #endif
 882                         stop_bcom(skfd, ifname);
 883 #ifdef DEBUG
 884                         fprintf(stderr, "Setup start.\n");
 885 #endif
 886                         setup_bcom_new(skfd, ifname);
 887 #ifdef DEBUG
 888                         fprintf(stderr, "Setup done.\n");
 889 #endif
 890                 } else {
 891 #ifdef DEBUG
 892                         fprintf(stderr, "Old Broadcom driver detected.\n");
 893 #endif
 894                         stop_bcom(skfd, ifname);
 895                         set_wext_mode(skfd, ifname);
 896                         setup_bcom_old(skfd, ifname);
 897                         setup_wext(skfd, ifname);
 898                 }
 899         }
 900
 901         prefix[2]++;
 902 }
 903
 904 int main(int argc, char **argv)
 905 {
 906         int skfd;
 907         if((skfd = iw_sockets_open()) < 0) {
 908                 perror("socket");
 909                 exit(-1);
 910         }
 911
 912         prefix = strdup("wl0");
 913         iw_enum_devices(skfd, &setup_interfaces, NULL, 0);
 914
 915         return 0;
 916 }